CVE-2026-116020
Gravedad CVSS v4.0:
MEDIA
Tipo:
No Disponible / Otro tipo
Fecha de publicación:
24/10/2026
Última modificación:
24/10/2026
Descripción
*** Pendiente de traducción *** BookStack before 26.09.2 contains an incorrect authorization vulnerability in AttachmentController that allows authenticated users to access other users' draft page attachments by ID. Attackers with attachment permissions can enumerate sequential attachment IDs to download, rename, relink, or replace files on another user's unpublished draft pages.
Impacto
Puntuación base 4.0
5.30
Gravedad 4.0
MEDIA
Puntuación base 3.x
5.40
Gravedad 3.x
MEDIA
Referencias a soluciones, herramientas e información
- https://codeberg.org/bookstack/bookstack/commit/fcadecccda706b4ecaf9ac3f8e27defe0ebe78ae
- https://codeberg.org/bookstack/bookstack/releases/tag/v26.09.2
- https://codeberg.org/bookstack/bookstack/src/tag/v26.09.1/app/Uploads/Controllers/AttachmentController.php
- https://www.bookstackapp.com/blog/bookstack-release-v26-09-2/
- https://www.vulncheck.com/advisories/bookstack-before-26.09.2-incorrect-authorization-via-attachmentcontroller-on-draft-pages


